Overview
The SN74LS422D is a monostable Multivibrator made by Texas Instruments with 14 pins. Reset input、Adjustable pulse width、Retriggerable function - Monostable Multivibrators.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS122NS, from EasyEDA) and its footprint (EasyEDA_Cloud:SOIC-14_L8.6-W3.9-P1.27-LS6.0-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3236147).
Symbol
Footprint
Parameters
1- Function
- 脉冲宽度可调；可重触发功能；复位输入
Order codes
1- SN74LS422DLCSC C3236147
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Unspecified |
| 2 | A2 | Unspecified |
| 3 | B1 | Unspecified |
| 4 | B2 | Unspecified |
| 5 | CLR# | Unspecified |
| 6 | Q# | Unspecified |
| 7 | GND | Unspecified |
| 8 | Q | Unspecified |
| 9 | Rint | Unspecified |
| 10 | NC | Unspecified |
| 11 | Cext | Unspecified |
| 12 | NC | Unspecified |
| 13 | Rext/Cext | Unspecified |
| 14 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the SN74LS422D?
Yes. The symbol is EasyEDA_Cloud:SN74LS122NS and the footprint EasyEDA_Cloud:SOIC-14_L8.6-W3.9-P1.27-LS6.0-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the SN74LS422D datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS422D?
JLCPCB lists it as part C3236147, with 0 in stock; the sellers' links on this page open their listings.